MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb
SHA3-384 hash: e68fd12a2d09a674b9e1cd68bf1a0304099a05bc9a85f99ff48ffcac0a36a5d1b36ec46b39cb843278412797fbc8ac43
SHA1 hash: f52332f58b07f52510db1b2090b457168e387f30
MD5 hash: 8f11f9f73c29505741a10b393819721d
humanhash: delaware-twelve-quebec-jig
File name:jklarm
Download: download sample
Signature Mirai
Create hunting rule
File size:84'176 bytes
First seen:2025-12-21 09:37:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7b8KVoTB4X0/g6jaRr4nLEQKMSKB9u4kFk/eA7uldvJTlbsRI:7brCiQLEQKMSKB9uzFh/lJTlh
TLSH T13D832A85B881DA26C6D962BBFA5E41CC372613B8D2EF3207DD256F25378682F0D3B541
telfhash t1605100daeb640fde67c95058c1cea01a8ffd715e174d38d6da5d2b0f8642283b42d827
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6947c006e126b9ff438a9848/reports/22932098-57da-4f5b-932e-8c19fb77f5ab/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T06:39:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1287d5fa-a972-4178-9181-29870a81a652
Behavior Graph:
Download SVG
%3 guuid=f57a56b2-1d00-0000-f80e-420b4c050000 pid=1356 /usr/bin/sudo guuid=4d8c1cb4-1d00-0000-f80e-420b51050000 pid=1361 /tmp/sample.bin guuid=f57a56b2-1d00-0000-f80e-420b4c050000 pid=1356->guuid=4d8c1cb4-1d00-0000-f80e-420b51050000 pid=1361 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ac730b8c-6d79-410c-b5c0-edd1a7c6cbb6
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1836966
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836966 Sample: jklarm.elf Startdate: 21/12/2025 Architecture: LINUX Score: 52 22 95.125.10.10, 23 TELEFONICA_DE_ESPANAES Spain 2->22 24 95.125.10.12 TELEFONICA_DE_ESPANAES Spain 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 jklarm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 jklarm.elf 8->14         started        process6 16 jklarm.elf 14->16         started        18 jklarm.elf 14->18         started        20 jklarm.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 10:22:28 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3hpcpjzhnvc224bzzoomrctnmwxp3oilcrwwwvdyrlel2ili65q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251221-ll8g1a1lbz/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bd0d8bae-19c2-4921-9f2c-670c12de617b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh 2c8f2975a25eea099feb8866cbc6aeec7eae102030efb1d7e05b5529179b6306

Mirai

elf 76cef13d393b6a2d6b81ce5ce644536b2d77edc858a36b5aa3c45645e90b47bb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738857/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 2c8f2975a25eea099feb8866cbc6aeec7eae102030efb1d7e05b5529179b6306
  
Dropped by
MD5 304d8d61bf11a07d021a671bd15809bd
  
Dropped by
SHA256 25a2c814906be024c199462ba2b97e6f7b718621ff363ebce50343c435ef7e36
  
Dropped by
MD5 9904d563744d640e23ae80fed2ce971a
  
Dropped by
SHA256 0eb664483a2b64fa610d55b701174864c504079beb2958b0857ecbb73ea2cde3
  
Dropped by
MD5 ef83e2efd6a32a1745caf63f67452eb1
  
URLhaus
https://urlhaus.abuse.ch/url/3739151/
  
URLhaus
https://urlhaus.abuse.ch/url/3739321/
  
URLhaus
https://urlhaus.abuse.ch/url/3739174/
  
URLhaus
https://urlhaus.abuse.ch/url/3739317/
  
URLhaus
https://urlhaus.abuse.ch/url/3739296/
  
URLhaus
https://urlhaus.abuse.ch/url/3740435/

Comments